Sessize al
Com.Ciência.Gaia
Quando colocamos um copo de vidro dentro de outro e adicionamos óleo de cozinha, o copo interno parece “desaparecer”. Isso acontece por causa do índice de refração, uma propriedade óptica que indica o quanto a luz muda de velocidade ao passar de um material para outro. O vidro possui índice de refração em torno de 1,5, enquanto o óleo de cozinha possui valor muito próximo, geralmente entre 1,46 e 1,48. Como esses valores são semelhantes, a luz praticamente não sofre desvio significativo ao atrav
Takip et
35
1
14
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